CN215791735U

CN215791735U - High-safety freezing tube hot-melt welding instrument

Info

Publication number: CN215791735U
Application number: CN202121402634.1U
Authority: CN
Inventors: 谷田
Original assignee: Qingdao Qidian Biological Co ltd
Current assignee: Qingdao Qidian Biological Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-02-11
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a high-safety cryopreservation tube hot-melt welding instrument, which relates to the technical field of hot-melt sealing and comprises a base, wherein a turntable is arranged on the base, the turntable can automatically rotate in the horizontal direction, a plurality of mounting grooves for mounting cryopreservation tubes are vertically formed in the top of the turntable, and the mounting grooves are distributed along the circumferential direction of the turntable; the freezing storage pipe sealing device is characterized by further comprising a heating device, wherein the heating device is respectively arranged on the opposite sides of the two vertical mounting plates which are oppositely arranged, the two mounting plates can be folded or separated from each other in the horizontal direction under the driving of a driving device, the transition plates are respectively arranged on the opposite side surfaces of the two mounting plates, the two transition plates are symmetrically arranged and are in a structure with a wide upper part and a narrow lower part, the heat sealing planes which are opposite to each other on the inner sides are obliquely arranged, the moving path of the freezing storage pipe is located between the two transition plates, and the freezing storage pipe sealing device is used for carrying out heat pressure sealing on the freezing storage pipe arranged on the rotary table to enable pipe walls on the two sides to be attached and melted, so that the purpose of sealing is achieved after cooling, the labor is saved, and the sealing quality is improved.

Description

High-safety freezing tube hot-melt welding instrument

Technical Field

The utility model relates to the technical field of hot-melt sealing, in particular to a high-safety hot-melt welding instrument for a freezing storage pipe.

Background

The freezing preservation tube is also called a strain preservation tube, is a container for preserving strains in a laboratory and is used for preserving or transferring the strains. In the prior art, the sealing of the freezing storage pipe is generally realized by clamping a single station by using a mould, adhering and melting pipe walls at two sides by using a heating device, and cooling to achieve the aim of sealing.

However, the sealing method has high labor cost, low sealing efficiency due to much manual intervention, uneven sealing quality and high reject ratio.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a high-safety frozen pipe hot-melt welding instrument with less manual intervention and high sealing quality, and the technical purpose is realized by the following technical scheme:

the utility model provides a high security freezes deposits tub hot-melt welding appearance, includes the base, its characterized in that: the base is provided with a turntable which is controlled by a stepping motor and can automatically rotate in the horizontal direction, the top of the turntable is vertically provided with a plurality of mounting grooves for mounting the cryopreservation tubes, and the mounting grooves are distributed along the circumferential direction of the turntable;

the device comprises a freezing storage pipe, a heating device and a driving device, wherein the freezing storage pipe is arranged on the bottom of the freezing storage pipe, the heating device is used for welding and sealing the freezing storage pipe, the heating device is arranged on the opposite sides of two vertical mounting plates which are arranged oppositely, and the two mounting plates can be closed or away from each other in the horizontal direction under the driving of the driving device;

the two opposite side surfaces of the mounting plates are respectively provided with a transition plate, the two transition plates are symmetrically arranged and are of a structure with a wide upper part and a narrow lower part, the opposite transition planes on the inner sides of the transition plates are obliquely arranged, and the motion path of the cryopreservation pipe is positioned between the two transition plates.

Further: the mounting plate is in threaded connection with the two sides of the middle part of the threaded rod respectively, and the threaded rod is driven to rotate by a motor.

Further: the mounting plate comprises a support and is characterized by further comprising two limiting plates, wherein the two limiting plates are fixedly arranged on the support and located at two positions outside the mounting plate, horizontal mounting holes are formed in the two limiting plates, and the threaded rod is mounted in the mounting holes through bearings.

Further: and a gap section is arranged at the edge of the top of the turntable, and the mounting groove is not formed in the gap section.

Further: the bottom of the mounting groove is provided with a bearing hole with a polygonal cross section.

Further: the base is further provided with a shell, and the shell is arranged outside the support and the driving device.

Further: the heating device comprises a first heating device fixing block fixed on the inner side of the mounting plate, the first heating device fixing block and a second heating device fixing block are fixedly connected to form a box shape, a heating sheet is installed in the box shape, a metal heat conducting sheet is arranged on the heating sheet in a clinging mode, a strip-shaped hole is formed in the second heating device fixing block, the transition plate is installed on the two opposite sides of the second heating device fixing block, the strip-shaped hole is located at the top of the transition plate, a convex heating module is horizontally arranged on the metal heat conducting sheet, and the strip-shaped hole penetrates out.

Further: the shell is further provided with an emergency stop button, and the emergency stop button is electrically connected with the power switch and used for stopping the movement of the driving device and the rotary disc.

Further: and a scanning device is arranged above the rotary table and is connected with the controller through a processor to determine whether the freezing storage pipe is placed in the mounting groove.

Further: the shell is also fixedly provided with a protection plate, and the protection plate is positioned on one side of the heating device close to the manual operation area.

The utility model has the beneficial effects that:

the freezing tube arranged on the turntable is sealed in a hot-pressing way through the heating device, so that the tube walls on the two sides are attached and melted, the sealing purpose is achieved after cooling, the labor is saved, and the sealing quality is improved;

because the heated part of the freezing storage pipe is very soft after being heated by the welding module, and the unheated part is in a harder state, if no transition slope plasticity exists, the hard part is almost not deformed, and the soft part is pulled with the hard part after being extruded, so that the welding port is too thin, even the fracture is caused, and the transition plate is arranged to be of a structure with a wide upper part and a narrow lower part;

whether the installation groove has a vacancy or not is checked by the scanning device before heat sealing, the situation that the freezing storage pipe is leaked and placed is avoided, the heat-sealing plates are mutually extruded, and safety is improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a top view of the turntable.

Fig. 4 is an exploded schematic view of the heating device.

In the figure, 1, a base; 2. a turntable; 3. mounting grooves; 31. a bearing hole; 4. mounting a plate; 41. a transition plate; 42. a first heating device fixing block; 43. a heating plate; 44. a metal heat-conducting sheet; 441. a heating module; 45. a temperature sensor; 46. a second heating device fixing block; 5. a threaded rod; 6. a limiting plate; 7. a gap section; 8. a touch control screen; 9. a gear shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a high security freezes deposits tub hot-melt welding appearance, combines fig. 1 and fig. 2 to show, includes base 1, be equipped with carousel 2 on the base 1, carousel 2 can be by step motor control autogiration or stop on the horizontal direction, and step motor drive gear axle 9 is rotatory, and 9 levels of gear shaft set up, and 2 bottoms of carousel are equipped with the fluted disc that the level set up, and gear shaft 9 drives carousel 2 rotations with the fluted disc meshing.

A plurality of mounting grooves 3 used for mounting the freezing storage pipe are vertically formed in the top of the rotary table 2, and the plurality of mounting grooves 3 are arranged along the circumferential direction of the edge of the top of the rotary table 2. As shown in fig. 3, polygonal bearing hole 31 is provided at the bottom of mounting groove 3, and the purpose of providing bearing hole 31 is mainly to facilitate the cleaning and sterilization of the cryopreserved pipe, and the cross section of bearing hole 31 is polygonal, so as to support the cryopreserved pipe, prevent the cryopreserved pipe from dropping, and considering the processing cost and the stability of bearing the cryopreserved pipe, the cross section of bearing hole 31 is preferably regular pentagonal in this embodiment.

As shown in fig. 2, the heat sealing device further comprises a heating device, the heating device is arranged on opposite sides of two vertical mounting plates 4 which are arranged oppositely, the two mounting plates 4 can be folded or separated from each other in the horizontal direction under the drive of a driving device, transition plates 41 are arranged on opposite side faces of the two mounting plates 4, the two transition plates 41 are symmetrically arranged and are in a structure which is wide at the top and narrow at the bottom, and the heat sealing planes which are opposite to each other on the inner sides are arranged obliquely. By the arrangement, the inclined plane can be used as a transition section, the part of the freezing storage pipe which is softened by heat seal is still hard, and the transition section can prevent the sealing position from being thinned and broken due to pulling, so that the sealing quality is ensured.

As shown in fig. 2, the base 1 is provided with a support, the driving device comprises a threaded rod 5 horizontally arranged on the support, a protruding section is arranged in the middle of the threaded rod 5, the screw thread directions of the two sides of the protruding section are opposite, the two mounting plates 4 are respectively in threaded connection with the two sides of the middle of the threaded rod 5, and the threaded rod 5 is driven by a motor to rotate. The threaded rod 5 is rotated in different directions by the forward and reverse operation of the motor, so that the two mounting plates 4 are driven to gradually approach or leave, and the heat seal of the freezing storage pipe is realized.

As an optimal technical scheme, still fix on the support and set up two parallel limiting plates 6, the equal vertical setting of two limiting plates 6 just is located two the outside of mounting panel 4 all sets up the horizontal installation hole in two limiting plates 6, threaded rod 5 pass through the bearing install in the mounting hole, limiting plate 6 restricts the motion range of two mounting panels 4 on the one hand, guarantees the security, and on the other hand also plays the effect of supporting threaded rod 5, guarantees the steadiness.

As shown in fig. 3, a gap section 7 is formed at the edge of the top of the turntable 2, and the gap section 7 is not provided with the mounting groove 3, that is, the mounting groove 3 does not surround the edge of the turntable 2 by 360 degrees. The gap is arranged, the gap section can be selected to be stopped at the heating device when the machine is stopped, at the moment, the worker can conveniently take out the freezing tube from the outer side, and the danger of contacting the heating device in a short distance is avoided.

As shown in fig. 4, the heating device includes first heating device mounting blocks 42 respectively fixed to inner sides of the two mounting plates 4, and second heating device mounting blocks 46 detachably connected to the first heating device mounting blocks 42, and the two transition plates 41 are respectively mounted on opposite sides of the two second heating device mounting blocks 46. The two installation blocks are preferably made of bakelite materials and form a box body through screw fixation, a heating sheet 43 and a metal heat conducting sheet 44 tightly attached to the heating sheet 43 are installed in the two installation blocks, the heating sheet 43 is preferably made of carbon ceramic materials, strip-shaped holes are formed in the opposite side faces of the two second heating device installation blocks 46 and located at the top of the transition plate 41, a convex heating module 441 is horizontally arranged on the metal heat conducting sheet 44, and the heating module 441 penetrates out of the strip-shaped holes.

In some embodiments, the heating module 441 is hollow and used for installing the temperature sensor 45, a wire slot for accommodating wiring is formed in one side, close to the heating sheet 43, of the metal heat conducting sheet 44, the temperature sensor 45 can collect the temperature of the heating module 441 in real time, and the constant temperature is controlled by a PID algorithm after the feedback state, so that the situation that the sealing quality is poor due to overhigh or overlow temperature is avoided.

Preferably, the heating module 441 is coated with an anti-sticking coating on the outside, and the transition plate 41 is also embedded with an anti-sticking coating on the outside, such as teflon, to avoid adhesion and wire drawing during thermal welding.

The heating device is arranged above the edge of the turntable 2, the motion path of the cryopreservation tube is positioned between the two transition plates 41, when the cryopreservation tube rotates to a position between the two heating modules 441, the two heating modules 441 are folded at the top of the side wall of the cryopreservation tube, so that the tube walls at two sides are attached and melted, and the purpose of sealing is achieved after cooling.

As shown in fig. 1, in order to improve the safety and the operation convenience of the present invention, a housing is further disposed on the base 1, the housing is disposed outside the bracket and the driving device, a movable groove is formed at a mounting plate 4 of the housing, the mounting plate 4 is disposed in the movable groove, and a box body formed by two mounting blocks at the bottom extends out of the movable groove. The shell is provided with a touch control screen 8, the touch control screen 8 controls the motor through the controller to control the heating device to work, and controls the stepping motor to control the start and stop of the turntable 2. In order to ensure safety, a starting switch and an emergency stop button are further arranged on the shell and used for emergency braking, and the starting switch and the emergency button are electrically connected with the motor and the stepping motor.

As a preferred embodiment, a protection plate (not shown in the figure) is fixedly arranged on the outer shell, and the protection plate is positioned outside the heating device, namely on one side close to the manual operation area, so as to avoid scalding caused by contact with the heating device when a worker takes the finished product freezing and storing pipe, and further increase the safety.

As a preferred embodiment, a scanning device (not shown in the figure) is disposed above the turntable, the scanning device is preferably disposed outside the housing, the scanning device includes a photoelectric sensor, a proximity switch, and the like, and the scanning device is connected with the controller through a processor for determining whether the cryopreservation tube is placed in the installation slot 3 or whether the cryopreservation tube is placed in the gap section 7. If the vacant position exists, the processor sends a signal to the controller, so that the instrument is prevented from being started, and the danger caused by the fact that the two heating modules 441 are attached to each other is avoided.

The working process of the utility model is as follows:

1. starting the equipment for self-checking and preheating.

2. And placing the samples to be sealed in sequence.

3. The scanning device scans the current working position for the existence of the sample or determines whether the working position is vacant.

4. The mounting plate 4 is quickly folded, slowly clamped after being close to the surface of the frozen pipe, and thermally sealed for 3 seconds to quickly release the transition plate.

5. And the equipment is automatically and thermally sealed in sequence until the equipment is automatically started to be in a standby state after all the samples in the batch are finished.

6. And taking down the finished product by a worker for product surface inspection, and carrying out sample loading preparation before the next round of work.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high security freezes deposits tub hot-melt welding appearance, includes base (1), its characterized in that: the base (1) is provided with a turntable (2), the turntable (2) is controlled by a stepping motor and can automatically rotate in the horizontal direction, the top of the turntable (2) is vertically provided with a plurality of mounting grooves (3) for mounting the freezing pipes, and the mounting grooves (3) are distributed along the circumferential direction of the turntable (2);

the device is characterized by also comprising a heating device for welding and sealing the freezing and storing pipe, wherein the heating device is respectively arranged on the opposite sides of the two vertical mounting plates (4) which are oppositely arranged, and the two mounting plates (4) can be closed or away from each other in the horizontal direction under the driving of a driving device;

transition plates (41) are arranged on the opposite side faces of the two mounting plates (4), the two transition plates (41) are symmetrically arranged and are of a structure with a wide upper part and a narrow lower part, the opposite transition planes on the inner sides of the transition plates are obliquely arranged, and the motion path of the cryopreservation pipe is positioned between the two transition plates (41).

2. The high-safety cryopreservation tube hot melt welding instrument according to claim 1, wherein: the support is further included, the driving device comprises a horizontal rod (5) arranged on the support, the thread directions of two sides of the middle of the threaded rod (5) are opposite, the mounting plates (4) are respectively in threaded connection with two sides of the middle of the threaded rod (5), and the threaded rod (5) is driven to rotate by a motor.

3. The high-safety cryopreservation tube hot melt welding instrument according to claim 2, wherein: still include two limiting plates (6), two limiting plates (6) fixed set up in just be located two on the support the horizontal installation hole is all seted up in two limiting plates (6) in the outside of mounting panel (4), threaded rod (5) pass through the bearing install in the mounting hole.

4. The high-safety cryopreservation tube hot melt welding instrument according to claim 1, wherein: the edge of the top of the turntable (2) is provided with a gap section (7), and the gap section (7) is not provided with the mounting groove (3).

5. The high-safety cryopreservation tube hot melt welding instrument according to claim 1, wherein: the bottom of the mounting groove (3) is provided with a bearing hole (31) with a polygonal cross section.

6. The high-safety cryopreservation tube hot melt welding instrument according to claim 2 or 3, wherein: the base (1) is further provided with a shell, and the shell is arranged outside the support and the driving device.

7. The high-safety cryopreservation tube hot melt welding instrument according to claim 1, wherein: the heating device comprises a first heating device fixing block (42) fixed on the inner side of the mounting plate (4), the first heating device fixing block (42) and a second heating device fixing block (46) are fixedly connected to form a box shape, a heating sheet (43) is installed in the first heating device fixing block, a metal heat conducting sheet (44) arranged in a mode that the heating sheet (43) is tightly attached to the second heating device fixing block (46), a strip-shaped hole is formed in the second heating device fixing block (46), two transition plates (41) are installed on the two opposite side faces of the second heating device fixing block (46) respectively, the strip-shaped hole is located in the top of the transition plate (41), and a convex heating module (441) is horizontally arranged on the metal heat conducting sheet (44) and penetrates out of the strip-shaped hole.

8. The high-safety cryopreservation tube hot melt welding instrument according to claim 6, wherein: the shell is further provided with an emergency stop button, and the emergency stop button is electrically connected with the power switch and used for stopping the driving device and the rotary disc (2).

9. The high-safety cryopreservation tube hot melt welding instrument according to claim 1, wherein: a scanning device is arranged above the rotary table and is connected with the controller through a processor to determine whether the freezing storage pipe is placed in the mounting groove (3).

10. The high-safety cryopreservation tube hot melt welding instrument according to claim 6, wherein: the shell is also fixedly provided with a protection plate, and the protection plate is positioned on one side of the heating device close to the manual operation area.